Data cleaning courses can help you learn techniques for identifying and correcting errors in datasets, handling missing values, and standardizing data formats. You can build skills in data validation, outlier detection, and transforming raw data into a usable format. Many courses introduce tools like Python libraries such as Pandas and NumPy, as well as software like OpenRefine, that support executing data cleaning tasks efficiently and ensuring data quality for analysis.

Skills you'll gain: Salesforce, Data Mapping, Advanced Analytics, Data Integration
Intermediate · Course · 3 - 6 Months

Skills you'll gain: Microsoft Azure, Cloud Services, Relational Databases, Databases, Analytics, Data Storage, Data Lakes, NoSQL, Data Warehousing, SQL, Test Planning
Beginner · Course · 1 - 4 Weeks

Skills you'll gain: Incident Response, Data Centers, DevSecOps, System Monitoring, Threat Detection, Infrastructure Security, Microsoft Servers, Security Management, Payment Card Industry (PCI) Data Security Standards, Information Systems Security, Windows Servers, IT Infrastructure, Security Information and Event Management (SIEM), Disaster Recovery, IT Automation, Virtual Machines, Configuration Management
Beginner · Course · 1 - 3 Months

Google Cloud
Skills you'll gain: Google Cloud Platform, Query Languages, Data Access, Gemini, Big Data, SQL, Ad Hoc Analysis, Analysis
Beginner · Project · Less Than 2 Hours
Johns Hopkins University
Skills you'll gain: Health Policy, Data Presentation, Health Disparities, Health Equity, Health Informatics, Data Literacy, Epidemiology, Data Quality, Public Health, Data-Driven Decision-Making, Policy Analysis, Data Analysis, Data Visualization Software
Beginner · Course · 1 - 4 Weeks

Skills you'll gain: Apache Hive, Big Data, JSON, Case Studies, Apache Hadoop, People Analytics, Policty Analysis, Research, and Development, Analytics, Data Analysis, Social Sciences, Data Wrangling, Data-Driven Decision-Making, Data Preprocessing, Data Processing, Business Analytics, Data Manipulation, Data Transformation, Query Languages, Debugging, Demography
Mixed · Course · 1 - 4 Weeks

Board Infinity
Skills you'll gain: Software-Defined Data Center (SDDC), VMware vSAN, Virtualization, Data Centers, NSX-T Network Virtualization, VMware ESX Servers, Virtualization and Virtual Machines, vSphere Networking and Storage, vCenter Server, Virtual Machines, IT Infrastructure, Network Infrastructure, Servers, Hybrid Cloud Computing, Scalability
Beginner · Course · 1 - 4 Weeks

Google Cloud
Skills you'll gain: Google Cloud Platform, Data Store, Cloud API, Health Information Management, Health Informatics, Application Programming Interface (API), Health Care, Cloud-Based Integration, Cloud Computing, Health Technology
Beginner · Project · Less Than 2 Hours

Skills you'll gain: R Programming, Alteryx, Statistical Programming, Tableau Software, Data Cleansing, Data Visualization Software, Dashboard, Data Visualization, Data Storytelling, Interactive Data Visualization, Data Presentation, Data Structures, Statistical Analysis, Workflow Management, Data Analysis, Data Processing, Data Manipulation, Data Transformation, Data Import/Export
Intermediate · Course · 1 - 4 Weeks

Skills you'll gain: File I/O, Test Case, Data Validation, Verification And Validation, Scripting, Data Cleansing, Python Programming
Intermediate · Guided Project · Less Than 2 Hours

Skills you'll gain: Anthropic Claude, Business Intelligence, Data Presentation, Data Visualization, Trend Analysis, Sales, Business Analytics, Sales Strategy, Data-Driven Decision-Making, Data Analysis, Business Strategy, Business Analysis, AI Enablement
Intermediate · Guided Project · Less Than 2 Hours

Skills you'll gain: Data Processing, Data-Driven Decision-Making, NumPy
Mixed · Course · 1 - 4 Weeks